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JavaScript Succinctly

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JavaScript Succinctly:

This book is not about JavaScript design patterns or implementing an object-oriented paradigm with JavaScript code. It was not write to distinguish the good features of the JavaScript language from the bad. And It is not meant to be a complete reference guide. It is not target at people new to programming or those completely new to JavaScript. It was my intention to write a book . That gives the reader an accurate JavaScript worldview through an examination of native JavaScript objects . And supporting nuances: complex values, primitive values, scope, inheritance, the head object, etc.

Therefore, I intend this book to be a short and digestible summary of the ECMA-262, Edition 3 specification. Focus on the nature of objects in Java Script. This book is target  at two types of people. The first is an advance beginner or intermediate JavaScript developer. Who wishes to solidify his or her understanding of the language through an in-depth look at JavaScript objects. The second type is a Java Script library veteran who is ready to look behind the curtain. Due to This book is not ideal for newbies to programming, JavaScript libraries, or JavaScript itself.

JavaScript constructors :

The role of a constructor function is to create multiple objects. That share certain qualities and behaviors. Basically, a constructor function is a cookie cutter for producing objects. That have default properties and property methods.
If you said, “A constructor is nothing more than a function,” . Then I would reply, “You are correct—unless that function is invoked using the new keyword.” (For example, new String(‘ foo’)).


When this happens, a function take on a special role. And JavaScript treats the function as special by setting the value of this for the function to the new object. That is being construct. In addition to this special behavior, the function will return the newly create object (i.e. this) by default instead of the value false. Hence The new object that is return from the function is considered to be an instance of the constructor function that constructs it.

Table of Contents:

1 Java Script Objects
2 Working with Objects and Properties
3 String()
4 Number()
5 Boolean()
6 Working with Primitive String, Number, and Boolean Values
7 Null
8 Undefined
9 The Head/Global Object
10 Object
11 Function
12 The this Keyword
13 Scope and Closures
14 Function Prototype Property
15 Amay()
16 Math Function

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